/*
 * Copyright 2020 The Backstage Authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import '@backstage/backend-common';
import { ConfigReader } from '@backstage/config';
import { getClusterDetails } from './ClusterReader';

describe('getClusterDetails', () => {
  it('empty clusters return empty cluster details', async () => {
    const config = new ConfigReader({ clusters: [] });

    const result = getClusterDetails(config.getConfigArray('clusters'));

    expect(result).toStrictEqual([]);
  });

  it('two clusters return two cluster details', async () => {
    const config = new ConfigReader({
      clusters: [
        { name: 'cluster1', brokers: ['a', 'b'] },
        { name: 'cluster2', brokers: ['d'] },
      ],
    });

    const result = getClusterDetails(config.getConfigArray('clusters'));

    expect(result).toStrictEqual([
      { name: 'cluster1', brokers: ['a', 'b'] },
      { name: 'cluster2', brokers: ['d'] },
    ]);
  });
});
